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LAN91C111_11 Datasheet, PDF (114/133 Pages) SMSC Corporation – 10/100 Non-PCI Ethernet Single Chip MAC + PHY
10/100 Non-PCI Ethernet Single Chip MAC + PHY
Datasheet
SYM PARAMETER
LIMIT
MIN
TYP
TOIR TP Output Current 0.80
Adjustment Range
0.86
TORA TP Output Current
TLVL Step Accuracy
TOR TP Output
10K
Resistance
TOC TP Output
15
Capacitance
MAX
1.2
UNIT
1.16
+/-50 %
Ohm
pF
CONDITIONS
VDD = 3.3V, Adjustable with RBIAS,
relative to TOIA with RBIAS=11K
VDD = 3.3V, Adjustable with LVL[3:0]
Relative to Value at TLVL[3:0]=1000
Relative to Ideal Values in Table 3.
Table 3 Values Relative to Output with
TLVL[3:0]=1000.
13.4
Twisted Pair Characteristics, Receive
Unless otherwise noted, all test conditions are as follows:
„ Vcc = 3.3V +/-5%
„ RBIAS = 11K +/- 1 %, no load
„ 62.5/10 Mhz Square Wave on TP inputs in 100/10 Mbps
SYM PARAMETER
LIMIT
MIN
RST TP Input Squelch
166
Threshold
310
60
186
RUT TP Input Unsquelch
100
Threshold
186
20
112
TP Input Open Circuit
Voltage
RCMR TP Input Common
Mode Voltage Range
RDR
TP Input Differential
Voltage Range
RIR
TP Input Resistance 5K
RIC
TP Input Capacitance
TYP
MAX
500
540
200
324
300
324
90
194
VDD- 2.4
± 0.2
ROCV
± 0.25
VDD
10
UNIT CONDITIONS
mV pk
mV pk
mV pk
mV pk
mV pk
mV pk
mV pk
mV pk
Volt
Volt
Volt
100 Mbps, RLVL=0
10 Mbps, RLVL=0
100 Mbps, RLVL=1
10 Mbps, RLVL=1
100 Mbps, RLVL=0
10 Mbps, RLVL=0
100 Mbps, RLVL=1
10 Mbps, RLVL=1
Voltage on Either TPI+ or TPI- with
Respect to GND.
Voltage on TPI± with Respect to
GND.
Ohm
pF
Revision 1.92 (06-27-11)
114
DATASHEET
SMSC LAN91C111 REV C